SanDisk 128 GB micro SD Memory Card for $32.99. Shipping is free on orders over $35. If needed, use this Filler Tool to pad the order for free shipping. Here is a screenshot for reference. Note that while it says for Fire Tablets and Fire TV, it works with just about any devices that use microSD memory cards. There is no direct price comparison as this is an Amazon exclusive product but most comparable SanDisk microSD memory cards usually go for over $55.